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#1 project tt update: new manifold required
1200rallycar Posted on: 2003/9/30 10:47
just when i thought all was well and i could start using it as a daily driver again...

a crack appears in the exhaust manifold, between head and turbo, i almost cried

i think its cause the exhaust was against the firewall and a dodgey engine mount meant that the twist of the motor stressed the piping too much

i also think cause i have a late ute crossmember my engine sits a little back form stock, hence exhaust touches

im going to see if a guy i know can get another manifold made up (this time it will have enough clearance for an oval port inlet manifold, i.e. a-15), that way i can skip the issues the current a-12 has and use the a-15 which is better anyway, will be used as carby until i have enough money to setup the injection properly

but yeah im bloody dissapointed, it was so close, and i ignored the exhaust hitting thinking it wouldnt really do any damage, dammit!


#2 Re: project tt update: new manifold required
MadTimo Posted on: 2003/9/30 11:18
Get the manifold made out of thick-walled steam-pipe otherwise it will crack every time, just from the weight of the turbo and the vibration. Either that or make up brackets to support the turbo's weight.

So, how does this thing go anyway????


#3 Re: project tt update: new manifold required
1200rallycar Posted on: 2003/9/30 11:45
mate it flys

cant believe an internally stock 1200 could drive like that

i beat a r31 skyline and a s14 (200sx) silvia couldnt get away from me, blew away a laser (possibly with cracked exhaust ) twice and he just pulled in behind me the third time

but thats all ive really played with, havent driven it much really

actually its amazing how it accelerates but even more so how it pulls even from 120kmh onwards to god knows what yet, 160+ anyway

its still making too much bost, as at 6000+ revs there is a loud whoosing from the BOV as it is releasing all my beautifull boost , but im having issues with adjusting the actuators, there doesnt seem to be enough adjustment in them

anyway it may be an a-15 when it returns, and itll be a whole new experience

keep ya's updated obviously, maybe even better picies this time


#4 Re: project tt update: new manifold required
MadTimo Posted on: 2003/9/30 12:26
mate, if you don't know how much boost it is running then get a guage.

And make sure you get it to a dyno, so you can check the A/F ratios....i'd hate to see ya blow it up

And, where are these pics??


#5 Re: project tt update: new manifold required
1200rallycar Posted on: 2003/9/30 12:29
there are pics in my profile, i will post on em cause it seems they slipped through without anyone seeing?

um, i have a gauge but im saying i get to 10psi and the turbos still want to make more, but between lack of fuel pressure and the BOV leaking they cant, not that i want them too

if that makse sense






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